[PATCH 18/18] spi: mxic: Add support for pipelined ECC operations

[kernel test robot]

Hi Miquel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on broonie-spi/for-next]
[also build test WARNING on mtd/nand/next mtd/mtd/next mtd/mtd/fixes v5.15-rc6 next-20211020]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Miquel-Raynal/External-ECC-engines-Macronix-support/20211020-223036
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
config: riscv-randconfig-r004-20211019 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9660563950aaed54020bfdf0be07e7096a9553e4)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/9b602c348c84bbe0698c891b14e29cf25ef74b6a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Miquel-Raynal/External-ECC-engines-Macronix-support/20211020-223036
        git checkout 9b602c348c84bbe0698c891b14e29cf25ef74b6a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   In file included from drivers/spi/spi-mxic.c:16:
>> include/linux/mtd/nand-ecc-mxic.h:23:29: warning: no previous prototype for function 'mxic_ecc_get_pipelined_ops' [-Wmissing-prototypes]
   struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
                               ^
   include/linux/mtd/nand-ecc-mxic.h:23:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
   ^
   static 
   1 warning generated.


vim +/mxic_ecc_get_pipelined_ops +23 include/linux/mtd/nand-ecc-mxic.h

ccf53b4df2cab6 Miquel Raynal 2021-10-20  22  
ccf53b4df2cab6 Miquel Raynal 2021-10-20 @23  struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
ccf53b4df2cab6 Miquel Raynal 2021-10-20  24  {
ccf53b4df2cab6 Miquel Raynal 2021-10-20  25  	return NULL;
ccf53b4df2cab6 Miquel Raynal 2021-10-20  26  }
ccf53b4df2cab6 Miquel Raynal 2021-10-20  27  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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